* {
    margin: 0;padding: 0;
}
html,body {
    width: 100%;
    height: 100%;
}
.title {
    height: 40px;
    font-size: 18px;
    display: flex;
    align-items: center;
    padding: 0 15px;
}
input,button {
    width: 60%;
    max-width: 400px;
    min-width: 120px;
    height: 37px;
    font-size: 18px;
    display: block;
    margin: 10px auto;
}
.container {
    width: 100%;
    height: 100%;
}

.row-box {
    width: 100%;
    padding: 15px;
    box-sizing: border-box;
}

.row-box .title {
    font-size: 20px;
}

.flex-box {
    width: 100%;
    flex-wrap: wrap;
    display: flex;
    padding: 5px 0;
    align-items: center;
}

.flex-box .flex-item {
    margin-right: 10px;
}

.flex-box input, .flex-box button{
    width: 150px;
    height: 26px;

}

.result-box {
    width: 100%;
    background-color: rgba(250,250,250);
    border-radius: 5px;
    min-height: 50px;
    padding: 15px;
    box-sizing: border-box;
    /*box-sizing: content-box;*/
}
.result-box p {
    margin: 10px 0;
}

